/*
 * Copyright (c) 2010 Network Security Lab, University of Washington, Seattle.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Sidharth Nabar <snabar@uw.edu>, He Wu <mdzz@u.washington.edu>
 */

#ifndef WIFI_RADIO_ENERGY_MODEL_HELPER_H
#define WIFI_RADIO_ENERGY_MODEL_HELPER_H

#include "ns3/energy-model-helper.h"
#include "ns3/wifi-radio-energy-model.h"

namespace ns3
{

/**
 * \ingroup energy
 * \brief Assign WifiRadioEnergyModel to wifi devices.
 *
 * This installer installs WifiRadioEnergyModel for only WifiNetDevice objects.
 *
 */
class WifiRadioEnergyModelHelper : public DeviceEnergyModelHelper
{
  public:
    /**
     * Construct a helper which is used to add a radio energy model to a node
     */
    WifiRadioEnergyModelHelper();

    /**
     * Destroy a RadioEnergy Helper
     */
    ~WifiRadioEnergyModelHelper() override;

    /**
     * \param name the name of the attribute to set
     * \param v the value of the attribute
     *
     * Sets an attribute of the underlying PHY object.
     */
    void Set(std::string name, const AttributeValue& v) override;

    /**
     * \param callback Callback function for energy depletion handling.
     *
     * Sets the callback to be invoked when energy is depleted.
     */
    void SetDepletionCallback(WifiRadioEnergyModel::WifiRadioEnergyDepletionCallback callback);

    /**
     * \param callback Callback function for energy recharged handling.
     *
     * Sets the callback to be invoked when energy is recharged.
     */
    void SetRechargedCallback(WifiRadioEnergyModel::WifiRadioEnergyRechargedCallback callback);

    /**
     * \tparam Ts \deduced Argument types
     * \param name the name of the model to set
     * \param [in] args Name and AttributeValue pairs to set.
     *
     * Configure a Transmission Current model for this EnergySource.
     */
    template <typename... Ts>
    void SetTxCurrentModel(std::string name, Ts&&... args);

  private:
    /**
     * \param device Pointer to the NetDevice to install DeviceEnergyModel.
     * \param source Pointer to EnergySource to install.
     * \returns Ptr<DeviceEnergyModel>
     *
     * Implements DeviceEnergyModel::Install.
     */
    Ptr<DeviceEnergyModel> DoInstall(Ptr<NetDevice> device,
                                     Ptr<EnergySource> source) const override;

  private:
    ObjectFactory m_radioEnergy; ///< radio energy
    WifiRadioEnergyModel::WifiRadioEnergyDepletionCallback
        m_depletionCallback; ///< radio energy depletion callback
    WifiRadioEnergyModel::WifiRadioEnergyRechargedCallback
        m_rechargedCallback;        ///< radio energy recharged callback
    ObjectFactory m_txCurrentModel; ///< transmit current model
};

/***************************************************************
 *  Implementation of the templates declared above.
 ***************************************************************/

template <typename... Ts>
void
WifiRadioEnergyModelHelper::SetTxCurrentModel(std::string name, Ts&&... args)
{
    m_txCurrentModel = ObjectFactory(name, std::forward<Ts>(args)...);
}

} // namespace ns3

#endif /* WIFI_RADIO_ENERGY_MODEL_HELPER_H */
